Review on Enhance Your Raspberry Pi 4B Performance: Cooling Fan, RGB Hat, and OLED Display Combo! by Ashley Slater

The fittings themselves are very good, solid. The software and support are outdated and somewhat non-functional. To make it work on the 64-bit version, you'll find that you (yourself). Required Packages: There is a preconfigured 32-bit Raspbian desktop image. However, all sources refer to Chinese sources. And when you create your own OS, you'll find that you can't use Pi wiring or compile on a 64-bit OS.